ITEM NAME:2x TDA2030 Audio Mono Amplifier DIY Module 12V 20W Description: Output Power: 20W AC voltage: AC12-24V DC voltage: DC12V 2A Speaker recommendation: 2.5-4 inch 5-20W Recommended: AC12V power 15W 2A or above Board size: 65 x 55mm Specification: Size: 66 x 20 x 28cm Package Includes: 2Pieces TDA2030 Mono Amplifier Board SKU: DMO0017088919442183.2Pieces TDA2030 Mono Amplifier Board. Output Power: 20W. Board size: 65 x 55mm. SKU: DMO0017088919442183.